
01一元二次方程式的意義
Interactive Video
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
高士欽 高士欽
FREE Resource
5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一元二次方程式中的「一元」代表什麼意思?
只有一個未知數
未知數的最高次方是1
包含一個等號
未知數的最高次方是2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一元二次方程式中,未知數的最高次方是多少?
0次
1次
2次
3次
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個是判斷一個式子是否為方程式的必要條件?
必須包含一個未知數
必須包含等號
未知數的最高次方必須是2
必須是多項式
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
您喜歡視訊課程嗎?
是
否
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一元二次方程式化簡後可寫成 ax² + bx + c = 0 的形式,其中哪個係數不能是零?
a
b
c
a, b, c 都不能是零
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